Project Number Date
test_Tails_ISO_devel 4118 12 Dec 2025, 17:21

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 13:20.291 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
47.427
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.994
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 2.311
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.559 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.782
Then I find very few patterns in the guest's memory after 5 seconds 19.360 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 1.145
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:9.320
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.797
And I prepare Tails for memory erasure tests 0.479
And I find very few patterns in the guest's memory 14.930 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.746
Then patterns cover at least 99% of the test FS size in the guest's memory 16.213 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.418
Then I find very few patterns in the guest's memory after 3 seconds 26.733 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 1.277
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:59.779
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.196
And I prepare Tails for memory erasure tests 0.533
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.672
Then I find very few patterns in the guest's memory 31.669 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.607
Then patterns cover at least 75% of the test FS size in the guest's memory 15.881 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.957
Then I find very few patterns in the guest's memory after 3 seconds 18.002 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 0.259
And I read the content of the test FS 0.826
Then patterns cover at least 99% of the test FS size in the guest's memory 15.433 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.575
Then I find very few patterns in the guest's memory after 3 seconds 17.162 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 0.858
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:2.088
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.850
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.140
Then I find very few patterns in the guest's memory 13.677 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.885
Then patterns cover at least 99% of the test FS size in the guest's memory 14.378 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.714
Then I find very few patterns in the guest's memory after 3 seconds 17.391 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 4.343
And I read the content of the test FS 0.718
Then patterns cover at least 99% of the test FS size in the guest's memory 14.627 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.579
Then I find very few patterns in the guest's memory after 3 seconds 16.366 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 1.077
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
57.625
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.846
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the root filesystem 11.047
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.999
Then patterns cover at least 128 MiB in the guest's memory 10.017 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 24.294 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 3.603
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:24.049
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:50.573
And I prepare Tails for memory erasure tests 0.361
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.393
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 23.703 
Pattern coverage: 0.000% (0 MiB out of 1524 MiB reference memory)
After features/support/hooks.rb:331 3.707
After features/support/hooks.rb:100 0.015